EP 0844774 A2 19980527 - Wireless communication system
Title (en)
Wireless communication system
Title (de)
Schnurloses Kommunikationssystem
Title (fr)
Système de communication sans fil
Publication
Application
Priority
- JP 31510896 A 19961126
- JP 34413196 A 19961224
Abstract (en)
The wireless communication system includes a main communication unit connected with a telephone line or network, a second communication unit wirelessly connected with the main communication unit and a third communication unit directly attached to the second communication unit. Digital data are wirelessly exchanged between the main communication unit and second communication unit so that accurate image data transmission is possible. The second communication unit includes a pseudo exchange circuit and is separatable from the third communication unit. After separation, the second communication unit may be attached to a fourth communication unit as a radio adapter so that the fourth communication unit can be used as a radio terminal device. When the main communication unit has a call accompanied with a request for silent reception, the third communication unit can also receive data without ringing. The second communication unit can identify the third communication unit so that the second communication unit can use a particular functionality possessed by the third communication unit.
IPC 1-7
IPC 8 full level
H04M 1/725 (2021.01); H04N 1/327 (2006.01)
CPC (source: EP KR)
H04M 1/725 (2013.01 - EP); H04N 1/00108 (2013.01 - EP); H04N 1/32704 (2013.01 - EP); H04N 1/32708 (2013.01 - EP); H04N 1/32717 (2013.01 - EP); H04N 1/32719 (2013.01 - EP); H04N 1/32726 (2013.01 - EP); H04N 1/32728 (2013.01 - EP); H04W 4/00 (2013.01 - KR); H04W 84/12 (2013.01 - KR); H04W 88/08 (2013.01 - KR)
Designated contracting state (EPC)
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 0844774 A2 19980527; EP 0844774 A3 20030514; CN 1168336 C 20040922; CN 1187099 A 19980708; CN 1527492 A 20040908; HK 1015104 A1 19991008; KR 100372397 B1 20030517; KR 19980042800 A 19980817; TW 344923 B 19981111
DOCDB simple family (application)
EP 97120768 A 19971126; CN 200410006664 A 19971126; CN 97122175 A 19971126; HK 98119186 A 19981229; KR 19970063277 A 19971126; TW 86111848 A 19970819